["✔ [Attached installation video] The details page has a video of wing installation and you can complete your assembly based on the video. It will improve your and your childs hands-on skills." ꧂[Flying Butterfly Wings] Pet electric wings are made of high-quality PET material when you turn on the switch it can automatically flap its wings like a real butterfly. Start with pure music. Requires 3 AA batteries (not included). "꧂[Lightweight and Adjustable] Made of lightweight material it is comfortable for pets to wear. The electric wings for pets are equipped with adjustable shoulder straps which can be easily fixed on the pets back and you dont need to worry about it falling off when your pet walks or runs." ꧂[Beautiful Glow Wings] The wings have a magical gradient effect reflecting brilliant colors under different light. The wings are also effortless to clean and maintain for long-term use. "꧂[Decorative Accessory] Electric light up butterfly wings for pets can add some personality and fun to your pets appearance. Can be used to beautify your pet at a Halloween festival or party." ꧂[After-sales] If you have any questions please get in touch with us our service team will provide you with a professional and satisfactory service.]